1、The sun, is also variable over a long term: its heat output goes up and down in cycles, the latest trend beingdownward.(太阳在长期内也是变化的：它的热量输出在周期中有上升，也有下降，最近的趋势是下降。)
2、Place you palmdownward and make an inconspicuous waving gesture, which will produce instant and satisfying results.(手掌向下，做一个不显眼的手势，会产生立竿见影的效果。)
3、To appreciate the magnificence of the mountain, you have to look upward in most cases while to enjoy the fascinating landscape of Huangshan, you've got to lookdownward.(要欣赏山的壮丽，大多数情况下要向上看。而要欣赏黄山的迷人景色，必须向下看。)
4、Similarly with earnings, young men's wages (after adjusting for inflation) have been on adownward trajectory since 1970 and fell significantly from 2000 to 2010.(类似的还有收入，年轻人的工资（经通胀调整后的）自1970年以来一直处于下降趋势，并且在2000年到2010年显著下降。)
5、Thedownward trend in home ownership is likely to continue.(住房拥有率的下降趋势有可能还要延续。)
6、My career seemed to be on adownward trajectory.(我的事业似乎在走下坡路。)
7、He works backward, building a house from the topdownward.(他倒着干活，从上往下盖房子。)
8、Benedict pointeddownward again with his stick.(贝内迪克特又用他的拐杖向下指了指。)
9、Silicates such as mineral quartz drifteddownward and mixed with denser materials as they reached Earth's core.(石英等硅酸盐向下漂移，在到达地核时与密度更大的物质混合。)
10、It is not unusual for the roots of some desert perennials to extenddownward more than ten meters.(一些沙漠多年生植物的根向下延伸十米以上，这并不少见。)
11、These have adapted to the environment by the development of long taproots that penetratedownward until they approach the assured water supply provided by groundwater.(这类植物通过生长出长长的主根来适应环境，这些主根可以向下渗透，直达地下水提供的充足水源。)
12、He swam quartering upstream, but still was sweptdownward rather faster than he had expected.(他向上游游去，但还是被水冲了下去，流速比他预料的要快得多。)
13、Adownward spiral had began.(向下螺旋坠落便开始了。)
14、downward and upward pressures on a currency are not symmetrical.(货币的上行和下行压力并不对称。)
15、After watching thedownward course of the boy a little while, he soon proceeded on his way.(看了一会儿这孩子往下走的路，他很快就继续赶路了。)
16、She was trapped in adownward spiral of personal unhappiness.(她陷入了个人不幸的旋涡难以自拔。)
17、The market generally wentdownward in various ways.(市场普遍以各种方式下跌。)
18、Inflation is moving firmlydownward.(通货膨胀在稳步下降。)
19、The result is adownward spiral.(这将造成一个下行螺旋的结果。) (好工具hao86.com)
20、How funny it'll seem to come out among the people that walk with their headsdownward!(要是能和那些头朝下走路的人一块儿出来，那该多有趣啊！)
21、Structures can be analyzed in terms of how they deal withdownward forces created by gravity.(人们根据建筑物如何处理由重力产生的向下的力来分析它们。)
22、If there'sdownward pressure on costs, because of a need for investment in other areas, I would argue that this is a perfectly feasible solution.(如果因为需要在其他领域投资而产生成本下行压力，我会认为这是一个完美可行的解决方案。)
23、One also has to make the assumption that hands were stenciled palmdownward—a left hand stenciled palm upward might of course look as if it were a right hand.(我们不得不做出一种假设：双手是手掌朝下被印刷出来的，而手掌朝上印刷出来的左手看起来必定会像一只右手。)
24、Because of the great weight pressing down on them, these layers tend to folddownward at weak spots, and this finally causes an actual break in the crust.(由于巨大的重量向下压岩层，使它趋于在它的薄弱处向下折叠，这最终导致地壳的实质断裂。)
25、This can lead us on adownward spiral with more and more plants and animals becoming endangered as well.(这可能导致我们进入一个恶性循环，即越来越多的植物和动物也濒临灭绝。)
26、But daily vertical movements by zooplankton in the ocean—upward by night to seek food,downward by day to escape predators—can also be considered migration.(但是海洋中浮游动物每天的垂直运动——夜里上浮以寻找食物，白天下潜以躲避捕食者——也可以被视作迁徒。)
27、A Colombian who wants someone to approach him often signals with a hand movement in which all the fingers of one hand, cupped, pointdownward as they move rapidly back and forth.(一个哥伦比亚人想要别人靠近他时，他的手势通常是一只手的所有手指都呈杯状，指向下方，同时快速地前后移动。)
28、Impermeable clay limitsdownward percolation of water and fulvic acids, reducing chemical weathering and podzolization.(不可渗透的粘土限制了水和黄腐酸的向下渗透，从而减少了化学风化和土壤灰化作用。)
29、Struggling with an evaporation of advertising and adownward drift in street corner sales, The New York Times intends to introduce a "metered" model at the beginning of 2011.(为了应对广告的减少和街角销售的下滑，《纽约时报》打算在2011年初引进一种“计量”模型。)
30、Irving Fisher also drew on the curve, a production possibility frontier for society, which he madedownward-curved.(欧文·费雪还画了一条曲线，一条社会的生产可能性边界，他让它向下弯曲。)
